Fastener for meeting rails of sashes



Model.)

B. 0. BYAM. FAS'TENER FOR MEETING RAILS OF SASHES. No. 367,132. Patented July 26,1887.

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-UNITED STATES PATENT OFFICE.

EBER G. BYAM, OF ROCHESTER, NEW YORK, ASSIGNOR OF TWO-THIRDS TO JOHN A. STEWART AND JAMES S. BAKER, BOTH OF SAME PLACE.

FASTENER FOR MEETING-RAILS OF SASHES.

SPECIFICATION forming part of Letters Patent No. 367,132, dated July 26, 1887.

Application filed August 91, 1884. Serial No. l4l,l99. (M :rlel.)

To all whom, it may concern:

Be it known that I, EBER G. BYAM, of Rochester, in the county of Monroe and State of New York, have invented a certain new and useful Improvement in Sash-Locks; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, in which- Figure 1 is an elevation of the meetingrails of two sashes, showing my improvement applied thereto. Fig. 2is a vertical section in line a: x of Fig. 1, showing the lock in elevation. Figs. 3 and 4 are a front elevation and cross section, respectively, of the hearing or frame of the lock. Fig. 5 is a side elevation of the swinging catch. Fig. 6 is a plan View of the catch-plate. Fig. 7 is a cross-section of Fig. 6 on line 3 y. Fig. 8 is a bottom view of the fastening. Fig. 9is a rear view of the device, showing the gravity'latch checked by the rear stop.

My improvement relates to looks used in the center of the meeting-rails of sashes which are self-closing when the rails are brought together, the lock acting by gravity.

The invention consists in the peculiar construction of the lock, as hereinafter described.

, In the drawings, A 13 show the meetingrails of two sashes.

O is the bearing or frame of the lock,which is attached to the rail of the upper or outer sash, A. It consists'of two sides, a a, witha central slot or opening, 72, in which the locking-catch plays, the two sides being united only by a cross-pin, c, at the top, which forms the axis for the catch to turn on. The bearing is also provided with horizontal lugs d d,

bearing to the rail.-

through which screws are passed to attach the On the inner sides of the bearing are formed shoulders ff, concentric with the axis a, to receive lugs projecting from the sides of the catch, as will presently be described. On the back side of the bearing is an offset shoulder, g, which forms a stop to the catch to prevent it swinging forward too far.

D is the catch, cast in a single piece. It consists of a hook, h, which hooks over the pin or axis 0, and turns thereon, a counter-weight, 2', which causes the catch to gravitate to throw the point out over the lower rail, a shoulder,

is, in the rear that strikeson the shoulderg projection, n, which stands'out over the lower rail to lock the same and prevent the lower sash from rising or the upper sash from falling.

E is a right-angled piece of metal forming a stop to the back swinging movement of the catch. of the bearing, the lower fiat portion that rests on the rail having'two side lugs, 19 19, that rest in notches 1" r in the bottom of the hearing, by which it is held down between the bearing and the rail, and also kept from slipping back out of place, the vertical portion 8 standing up in such a position as to serve as a stop to the catch, as it swings back to unlock the window and prevent it from swinging back too far.

' The whole lock is made of cast metal and may be j apanned, nickelplated, or otherwise ornamented, as desired.

In use the catch will strike over the top of the lower rail when the rails are brought together,and will lock the same, as shown in Fig. 2. To unlock the sash, itis only necessary'to press the finger against the point it suificient to throw it back away from the rail, and the lower sash can then be raised or the upper one lowered. Then the rails are brought together again, the catch will engage automatically.

The design in this invention is to furnish a simple, cheap, and effective lock that can be made of cast metal, and which requires no fitting, boring, or riveting. To this end the bearing is cast with a pin or axis at the top, and the catch with an open hook that fits over the pin, the parts being attached and detached at pleasure. One important feature is the shouldersff of the bearing and the lugs m m of the catch resting under the shoulders,'preventing the open hook from being raised and disengaged from the bearing, also taking all the strain in lifting the sash against the catch. Another feature consists in the use of the separate stop E, connected with the bearing in the the manner described.

G is a plate attached to the top of the inner It rests loosely between the two sides or lower sash and resting under the catch D when locked, and taking the wear of the same. This plate is attached by a single screw in the eenter,and is made square, so that either edge can be turned up to meet the catch. The several edges v v v v of the catch are made of unequal thickness, so that the lock can be adapted to take up unequal degrees of slack or loose ness in the sash to bring them to a tight fit with the lock. This is done by turning the plate G on its center to present a thicker or a thinner edge to the catch. The edges being of gradually-iincreasing height, this can be done without difficulty, so that the sash can be locked tight at all times.

Having described myinvention, whatI claim as new, and desire to secure by Letters Patent, 1s-

1. In a sash-lock, the plate E, constructed with the lugs 12 p and vertical stop 8, in eombination with the frame 0, composed of two sides with a space in the center, and the catch hung in the frame, said plate resting in the space between the sides of the frame and the lugs fitting in notches at thebase of the frame, as shown and described, and for the purpose specified.

2. Ina sash-lock, the wear-plateG,of square form, pivoted in the center, and constructed with edges of varying heights or thickness, in combination with the frame and the catch pivoted in the frame, as shown and described, and for the purpose specified.

In witness whereof I have hereunto signed my name in the presence of two subscribing witnesses.

BEER 0. RYAN.

\Vitnesses:

It. F. OSGOOD, P. A. CosTien. 

